<template>
  <!-- 最外层的容器 -->
  <view class="my-settle-container">
    <!-- 全选区域 -->
    <label class="radio">
      <radio color="#C00000" :checked="isFullCheck"  @click="changeAllState" /><text>全选</text>
    </label>
  
    <!-- 合计区域 -->
    <view class="amount-box">
      合计:<text class="amount">￥{{checkedGoodsAmount}}</text>
    </view>
  
    <!-- 结算按钮 -->
    <view class="btn-settle">结算({{checkedCount}})</view>
  </view>
</template>

<script>
  import { mapGetters,mapMutations  } from 'vuex'

  export default {
    name:"my-settle",
      computed: {
        ...mapGetters('m_cart', ['checkedCount','total','checkedGoodsAmount']),
          isFullCheck() {
              return this.total === this.checkedCount
            },
      },
    data() {
      return {
        
      };
    },
     methods: {
        // 2. 使用 mapMutations 辅助函数，把 m_cart 模块提供的 updateAllGoodsState 方法映射到当前组件中使用
        ...mapMutations('m_cart', ['updateAllGoodsState']),
        changeAllState() {
            // 修改购物车中所有商品的选中状态
            // !this.isFullCheck 表示：当前全选按钮的状态取反之后，就是最新的勾选状态
            this.updateAllGoodsState(!this.isFullCheck)
          }
      },
      
  }
</script>

<style lang="scss">
.my-settle-container {
  /* 底部固定定位 */
  position: fixed;
  bottom: 0;
  left: 0;
  /* 设置宽高和背景色 */
  width: 100%;
  height: 50px;
  background-color: cyan;
}
.my-settle-container {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  // 将背景色从 cyan 改为 white
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 5px;
  font-size: 14px;

  .radio {
    display: flex;
    align-items: center;
  }

  .amount {
    color: #c00000;
  }

  .btn-settle {
    height: 40px;
    min-width: 100px;
    background-color: #c00000;
    color: white;
    line-height: 40px;
    text-align: center;
    // padding: 20rpx 20rpx;
  }
}
</style>
